97 Regulation of Air Pollution from Small Generators

Since DG spans the spectrum of technologies, the DG plants produce varying degrees of environmental impact. Some technologies, such as fuel cells or photovoltaics, can receive a blanket exemption from air regulation, while others, such as a diesel-powered backup generator pressed into service as a system peaking resource, will have limitations on the number of operating hours in certain locations. At the high-size end of the DG spectrum, a 50 MW unit combustion turbine will naturally require a whole other level of regulatory permit than a 75 kW microturbine. From a societal perspective, it is important that neighborhood and urban air quality not be adversely impacted by the deployment of DG. However, as the environmental implications of small scale on-peak generation are analyzed, their contribution to air degradation should be compared to the incumbent's contribution. To assist market development, statewide, regional, or national standards would likely yield better results than a grab bag of different local standards. It will be necessary to have continuing and active involvement by DG developers with air regulators to achieve workable solutions to air permits.

Solar Stirling Engine Basics Explained

Solar Stirling Engine Basics Explained

The solar Stirling engine is progressively becoming a viable alternative to solar panels for its higher efficiency. Stirling engines might be the best way to harvest the power provided by the sun. This is an easy-to-understand explanation of how Stirling engines work, the different types, and why they are more efficient than steam engines.

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